html, body, #app {
    margin: 0;
    padding: 0;
    height: 100%;
}
h1 { 
    font-size: 2em;
    color: blue; 
}
h2 { 
    font-size: 1.5em 
}
.el-breadcrumb {
    margin-bottom: 15px;
    font-size: 12px;
}
.el-card{
    box-shadow: 0 1px 1px rgba(0,0,0,0.15)!important;
}
.el-table {
    margin-top: 15px;
}
.el-pagination {
    margin-top: 15px;
}